Search a number
-
+
122320103231 = 1015632151137
BaseRepresentation
bin111000111101011011…
…0001010011100111111
3102200201200212001210202
41301322312022130333
54001002421300411
6132105412154115
711560130502524
oct1617266123477
9380650761722
10122320103231
114796a567007
121b85890893b
13b6c4a7a911
145cc552914b
1532ad9e883b
hex1c7ad8a73f

122320103231 has 8 divisors (see below), whose sum is σ = 123750666864. Its totient is φ = 120893843200.

The previous prime is 122320103221. The next prime is 122320103233. The reversal of 122320103231 is 132301023221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122320103231 - 26 = 122320103167 is a prime.

It is a super-2 number, since 2×1223201032312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122320103233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018706 + ... + 1132431.

It is an arithmetic number, because the mean of its divisors is an integer number (15468833358).

Almost surely, 2122320103231 is an apocalyptic number.

122320103231 is a deficient number, since it is larger than the sum of its proper divisors (1430563633).

122320103231 is a wasteful number, since it uses less digits than its factorization.

122320103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151801.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 122320103231 its reverse (132301023221), we get a palindrome (254621126452).

The spelling of 122320103231 in words is "one hundred twenty-two billion, three hundred twenty million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 101 563 56863 2151137 217264837 1211090131 122320103231